698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 22:35

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General

Target

698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe
Size

29KB
MD5

b1ba0d301e8568ba22ff3da93f3738d6
SHA1

b1263024740ae39b795596fccac9ca0970f591f7
SHA256

698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7
SHA512

ec50fcf0fff7e64cc02a20d7c814b271e72786a06bd444147782fa5198ea6033ff46f8e00f7a6ef70ff11ef5b1b74d6cd66244f4226c22ca88994a4077baf4fe
SSDEEP

384:BCFBJ+AnI5p3dZ4C7HdYwR0MrOk0WSlf2LZK3LsbWoXnKDjD228MD9ipDekLQ:kFSl5dnYY7qk0nlfeKoSAnKDWMDQS

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/2176-0-0x0000000000400000-0x000000000040D000-memory.dmp	UPX
behavioral1/files/0x000e000000014708-11.dat	UPX
behavioral1/memory/2176-13-0x0000000001D10000-0x0000000001D1D000-memory.dmp	UPX
behavioral1/memory/3036-16-0x0000000000400000-0x000000000040D000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3036	hummy.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2176-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/files/0x000e000000014708-11.dat	upx
behavioral1/memory/2176-13-0x0000000001D10000-0x0000000001D1D000-memory.dmp	upx
behavioral1/memory/3036-16-0x0000000000400000-0x000000000040D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2176	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe
3036	hummy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3036	2176	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	28
PID 2176 wrote to memory of 3036	2176	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	28
PID 2176 wrote to memory of 3036	2176	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	28
PID 2176 wrote to memory of 3036	2176	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	28

C:\Users\Admin\AppData\Local\Temp\698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe
"C:\Users\Admin\AppData\Local\Temp\698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\hummy.exe
  "C:\Users\Admin\AppData\Local\Temp\hummy.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hummy.exe

Filesize
30KB

MD5
8bbe991e47ac8c14bbbf2c9e10a41dae

SHA1
d9efd289daccc4f083a52472beed6f10332e175e

SHA256
ec65fe645cb698b0b4031de9a3bdab157129d2a8704bbbc22203a0d723d1f5aa

SHA512
b745f9d45c41ed0cf6a77e07d46d4e945c66e5413a42ffc2f9d0a3eefb4fa9e062df9b3f561ea7c66559297d0541a7ab490f08d5db6ed6e58adaae32ccf67a5c

Download Submit
memory/2176-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2176-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2176-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2176-9-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2176-13-0x0000000001D10000-0x0000000001D1D000-memory.dmp

Filesize
52KB

Download
memory/3036-16-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3036-25-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download